docs: add re-toolkit to Binary Analysis

[2akouwu]

Summary

Adds re-toolkit to the ## Binary Analysis\ section.

Details:

• re-toolkit: A zero-dependency pure-Python reverse engineering toolchain featuring PE32/PE32+ structure parsing, x86/x64 instruction disassembly, CPU register micro-emulation, schema-less Protobuf/TLV wireformat dissection, and dynamic Frida hook generation.
• License: MIT
• Repository: https://github.com/2akouwu/codex-cli-portable-setup-kit